buy-vs-rent/source/demo/index.js

计算买房还是租房更值得

/**
 * 获取某search值
 * @param {String} checkKey - search的key
 * @param {String} [search = window.location.search] - search总字符串
 * @returns {String|Boolean} - search的value 或 不存在false
 */
const getSearchValue = (checkKey, search) => {
  checkKey = checkKey.toString();
  search = search || window.location.search;

  if (search.slice(0, 1) === "?") {
    search = search.slice(1);
  }

  const searchArr = search.split("&");
  let tempArr, key, value;

  for (let i = 0, len = searchArr.length; i < len; i++) {
    if (searchArr[i] !== "") {
      tempArr = searchArr[i].split("=");
      key = tempArr.shift();
      value = tempArr.join("=");

      if (key === checkKey) {
        return value;
      }
    }
  }

  return false;
};

// 获取填入内容并打印
const loan = document.getElementById("loan");
const loanRate = document.getElementById("loanRate");
const months = document.getElementById("months");
const cash = document.getElementById("cash");
const cashRate = document.getElementById("cashRate");
const rent = document.getElementById("rent");
const rentRate = document.getElementById("rentRate");
const inflationRate = document.getElementById("inflationRate");

loan.value = getSearchValue("loan") || "300";
loanRate.value = getSearchValue("loanRate") || "0.049";
months.value = getSearchValue("months") || "360";
cash.value = getSearchValue("cash") || "100";
cashRate.value = getSearchValue("cashRate") || "0.04";
rent.value = getSearchValue("rent") || "0.4";
rentRate.value = getSearchValue("rentRate") || "0.1";
inflationRate.value = getSearchValue("inflationRate") || "0.05";

const buyvsrent = require("../buy-vs-rent.js");
const text = buyvsrent({
  loan: parseFloat(loan.value, 10),
  loanRate: parseFloat(loanRate.value, 10),
  months: parseFloat(months.value, 10),
  cash: parseFloat(cash.value, 10),
  cashRate: parseFloat(cashRate.value, 10),
  rent: parseFloat(rent.value, 10),
  rentRate: parseFloat(rentRate.value, 10),
  inflationRate: parseFloat(inflationRate.value, 10)
}).msg;
document.getElementById("p").innerHTML = text;
console.log(text);